Factors Affecting Highway Safety, Health Care Services, and Motorization—An Exploratory Empirical Analysis using Aggregate Data

Document Type

Article

Publication Date

2012

Keywords

road traffic safety, health services, motorization level, fatality rate

Digital Object Identifier (DOI)

https://doi.org/10.1080/19439962.2011.619372

Abstract

This paper uses aggregate data from the World Health Organization (WHO) and the International Road Federation (IRF) to identify the relationship between aggregate levels of road traffic safety, health service levels, motorization level, and associated factors. Two alternative modeling specifications are used to estimate the national fatality rate, number of hospital beds, and the number of registered vehicles per capita. The first specification is a system of seemingly unrelated regression equations (SURE) while the second is a set of regression models. The results suggest that a number of socio-economic explanatory factors, government laws and policies and their enforcement levels, and traffic and geographic characteristics, are significantly related to the three response variables. The paper shows that the SURE model is statistically superior to the separately-estimated regression models. The model findings are exploratory, but can still offer preliminary insights to planners to identify the extent to which traffic and motorization levels, regional and geographic characteristics, and most importantly, existing traffic laws and policies can influence traffic fatalities.

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Citation / Publisher Attribution

Journal of Transportation Safety & Security, v. 4, issue 2, p. 94-115

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